/Engine/Source/Runtime/HeadMountedDisplay/Public/IHandTracker.h
virtual bool GetHandMeshData ( EControllerHand Hand, [TArray](API\Runtime\Core\Containers\TArray)< FVector > & OutVertices, [TArray](API\Runtime\Core\Containers\TArray)< FVector > & OutNormals, [TArray](API\Runtime\Core\Containers\TArray)< int32 > & OutIndices, FTransform & OutHandMeshTransform ) const